202144111420 has 96 divisors (see below), whose sum is σ = 436170873600. Its totient is φ = 78666931200.

The previous prime is 202144111391. The next prime is 202144111447. The reversal of 202144111420 is 24111441202.

It is a junction number, because it is equal to n+sod(n) for n = 202144111391 and 202144111400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64767460 + ... + 64770580.

It is an arithmetic number, because the mean of its divisors is an integer number (4543446600).

Almost surely, 2^202144111420 is an apocalyptic number.

202144111420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202144111420 is an abundant number, since it is smaller than the sum of its proper divisors (234026762180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202144111420 is a wasteful number, since it uses less digits than its factorization.

202144111420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3739 (or 3737 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 202144111420 its reverse (24111441202), we get a palindrome (226255552622).

The spelling of 202144111420 in words is "two hundred two billion, one hundred forty-four million, one hundred eleven thousand, four hundred twenty".